/**
* Sort sub-pages in a page.
*
* @param Page $page
* @param string $order_by
* @param string $order_dir
*
* @return array
*/
public function sort(Page $page, $order_by = null, $order_dir = null)
{
if ($order_by === null) {
$order_by = $page->orderBy();
}
if ($order_dir === null) {
$order_dir = $page->orderDir();
}
$path = $page->path();
$children = isset($this->children[$path]) ? $this->children[$path] : array();
if (!$children) {
return $children;
}
if (!isset($this->sort[$path][$order_by])) {
$this->buildSort($path, $children, $order_by, $page->orderManual());
}
$sort = $this->sort[$path][$order_by];
if ($order_dir != 'asc') {
$sort = array_reverse($sort);
}
return $sort;
}